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Writing an Array to a File without File Handle in PHP
How To Write an Array to a File without a File Handle in PHP? If you have an array, want to write it to a file, and you don't want to open the file with a file handle, you can use the file_put_contents(). It opens the specified file, writes all values from the specified string, closes the file, and ... 2016-11-27, ∼2869🔥, 0💬

Receiving a Cookie from the Browser in PHP
How To Receive a Cookie from the Browser in PHP? If you know that a cookie has been sent to the browser when it was visiting the server previously, you can check the built-in $_COOKIE array, which contains all cookies that were sent by the server previously. The script below shows you how to pickup ... 2016-11-04, ∼2861🔥, 0💬

Creating a Database in PHP
How To Create a Database in PHP? A database in a MySQL server is a logical container used to group tables and other data objects together as a unit. If you are the administrator of the server, you can create and delete databases using the CREATE/DROP DATABASE statements. The following PHP script sho... 2016-10-20, ∼2860🔥, 0💬

Looping through Returning Rows from a Query in PHP
How To Query Tables and Loop through the Returning Rows in PHP? The best way to query tables and loop through the returning rows is to run the SELECT statement with the catch the mysql_query() function, catch the returning object as a result set, and loop through the result with the mysql_fetch_asso... 2016-10-19, ∼2857🔥, 0💬

Applying UUEncode to a String in PHP
How To Apply UUEncode to a String? UUEncode (Unix-to-Unix Encoding) is a simple algorithm to convert a string of any characters into a string of printable characters. UUEncode is reversible. The reverse algorithm is called UUDecode. PHP offers two functions for you to UUEncode or UUDecode a string: ... 2016-10-13, ∼2855🔥, 0💬

Retrieving Session ID from the Current Session in PHP
How To Retrieve the Session ID of the Current Session in PHP? Normally, you don't need to know the session ID of the current session. But if you are interested to know the session ID created by the PHP engine, there are two ways to get it: Calling session() function. It will return the session ID va... 2016-10-26, ∼2835🔥, 0💬

Assigning a New Character in a String in PHP
How To Assigning a New Character in a String? The string element expression, $string{index}, can also be used at the left side of an assignment statement. This allows you to assign a new character to any position in a string. Here is a PHP script example: &lt;?php $string = 'It\'s Friday?'; echo... 2016-10-13, ∼2829🔥, 0💬

Invoking a User Function in PHP
How To Invoke a User Function? in PHP? You can invoke a function by entering the function name followed by a pair of parentheses. If needed, function arguments can be specified as a list of expressions enclosed in parentheses. Here is a PHP script example on how to invoke a user function: &lt;?p... 2016-12-28, ∼2827🔥, 0💬

Opening a file for Reading in PHP
How To Open a File for Reading in PHP? If you want to open a file and read its contents piece by piece, you can use the fopen($fileName, "r") function. It opens the specified file, and returns a file handle. The second argument "r" tells PHP to open the file for reading. Once the file is open, you c... 2016-12-02, ∼2823🔥, 0💬

What Is File Upload in PHP
What Is File Upload in PHP? File upload is Web page function which allows visitor to specify a file on the browser's system and submit it to the Web server. This is a very useful function for many interactive Web sites. Some examples are: Web base email systems for users to send attachments. Forums ... 2016-10-17, ∼2812🔥, 0💬

Uploading Files to Web Servers in PHP
Where to find tutorials on how to upload files to Web servers in PHP? A collection of tutorials to answer many frequently asked questions on how to upload files to Web servers in PHP. Clear explanations and tutorial exercises are provided on creating file upload HTML tags, setting encoding type on H... 2016-10-17, ∼2811🔥, 0💬

Querying Multiple Tables Jointly in PHP
How To Query Multiple Tables Jointly in PHP? If you want to query information stored in multiple tables, you can use the SELECT statement with a WHERE condition to make an inner join. Assuming that you have 3 tables in a forum system: "users" for user profile, "forums" for forums information, and "p... 2016-10-17, ∼2809🔥, 0💬

Updating Existing Rows in PHP
How To Update Existing Rows in a Table in PHP? Updating existing rows in a table requires to run the UPDATE statement with a WHERE clause to identify the row. The following sample script updates one row with two new values: &lt;?php include "mysql_connection.php"; $sql = "UPDATE fyi_links SET no... 2016-10-19, ∼2807🔥, 0💬

Form Input HTML Tags in PHP
What Are Form Input HTML Tags in PHP? HTML tags that can be used in a form to collect input data are: &lt;SUBMIT ...&gt; - Displayed as a button allow users to submit the form. &lt;INPUT TYPE=TEXT ...&gt; - Displayed as an input field to take an input string. &lt;INPUT TYPE=RADIO... 2016-11-17, ∼2784🔥, 0💬

Firefox Storing Persistent Cookies in PHP
Where Does File Firefox Store Persistent Cookies in PHP? If you change Firefox to keep cookies "until they expire", Firefox will store persistent cookies from all Web servers in a single file at: \Documents and Settings\$user\Application Data\Mozilla \Firefox\Profiles\xby7vgys.def ault\cookie.txt.Op... 2016-10-30, ∼2780🔥, 0💬

Deleting Cookie Files in PHP
How To Delete Cookie Files on Your Computer in PHP? A simple way to delete cookie files on your computer is to use the function offered by the IE browser. The following tutorial exercise shows you how to delete cookie files created by IE: Open IE (Internet Explorer) Go to Options/Internet Options Cl... 2016-11-02, ∼2773🔥, 0💬

Generating a Form in PHP
How To Generate a Form in PHP? Generating a form seems to be easy. You can use PHP output statements to generate the required &lt;FORM&gt; tag and other input tags. But you should consider to organized your input fields in a table to make your form looks good on the screen. The PHP script be... 2016-11-17, ∼2753🔥, 0💬

Where Are Session Values Stored in PHP
Where Are Session Values Stored in PHP? When a value is saved into the current session by one PHP page, the PHP engine must store this value somewhere on Web server, so that the PHP engine can retrieve it back when same visitor comes back to request another PHP page. Where are the session values sto... 2016-10-25, ∼2742🔥, 0💬

Information Needed for MySQL Connection in PHP
What Do You Need to Connect PHP to MySQL in PHP? If you want to access MySQL database server in your PHP script, you need to make sure that MySQL module is installed and turned on in your PHP engine. Check the PHP configuration file, php.ini, to make sure the extension=php_mysql.dll is not commented... 2016-10-20, ∼2739🔥, 0💬

Specifying Input Values for Checkboxes in PHP
How To Specify Input Values for Checkboxes in PHP? Checkboxes can be used in a form for two situations: As a single switch - One &lt;INPUT TYPE=CHECKBOX ...&gt; tag, with no input value specified. When submitted with button pushed down, you will receive a value of "on". When submitted with b... 2016-11-13, ∼2730🔥, 0💬

Removing an Empty Directory in PHP
How To Remove an Empty Directory in PHP? If you have an empty existing directory and you want to remove it, you can use the rmdir(). Here is a PHP script example on how to use rmdir(): &lt;?php if (file_exists("/temp/download") ){ rmdir("/temp/download"); print("Directory removed.\n"); } else { ... 2016-11-24, ∼2725🔥, 0💬

Sending a Cookie to the Browser in PHP
How To Send a Cookie to the Browser in PHP? If you want to sent a cookie to the browser when it comes to request your PHP page, you can use the setcookie( ) function. Note that you should call setcookie() function before any output statements. The following script shows you how to set cookies: &... 2016-11-04, ∼2722🔥, 0💬

Setting ID Column as Auto-Incremented in PHP
How To Set the ID Column as Auto-Incremented in PHP? Many tables require an ID column to assign a unique ID number for each row in the table. For example, if you have a table to hold forum member profiles, you need an ID number to identify each member. To allow MySQL server to automatically assign a... 2016-10-17, ∼2716🔥, 0💬

Timeout Period on Session Values in PHP
What Is the Timeout Period on Session Values in PHP? The PHP engine has no direct settings on session timeout period. But it has a session garbage collection mechanism that you can set to remove those special files containing session values. There are 3 settings you can use to define the session gar... 2016-10-25, ∼2713🔥, 0💬

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Blockchain Container EPUB General HTML JSON Microsoft Node.js PHP Python RSS Tools Visual Studio Web